XT855 Operator’s Manual Service - 85
50 Hour
CMW
50 Hour
Check Pump Drive Belt Tension
Check pump drive belt tension every 50 hours.
1. Turn off engine and remove key.
2. Remove front grill.
3. Apply moderate thumb pressure to top of
belt.
4. Use a belt tension meter to measure tension.
New belt: 13.8 lb at 1/4” (5 mm) maximum
deflection (A).
Existing belt: 12.2 lb at 1/4” (5 mm)
maximum deflection (A).
To adjust, see page 94.
Check Radiator
Check radiator for dirt, grass, and other foreign
matter every 50 hours. Clean out with
compressed air or spray wash if required. Be
careful not to damage fins with high-pressure air
or water. Check more often if operating in dusty
or grassy conditions.
Task Notes
Check pump drive belt tension use belt tension meter, p/n 499-938
Check radiator
Check battery
Change engine oil and filter Initial, DEO
Change hydraulic filter Initial
Wash drive belt area low pressure water
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